! Started logfile: J0800-3959_S_2002_01_31_yyk_uvs.log on Tue Jun 26 22:29:37 2007 obs J0800-3959_S_2002_01_31_yyk_uva.fits ! Reading UV FITS file: J0800-3959_S_2002_01_31_yyk_uva.fits ! AN table 1: 36 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.605556 visibilities/baseline/integration-bin. ! Found source: J0800-3959 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22947e+09 8e+06 1 8e+06 ! 02 2 2.25947e+09 8e+06 1 8e+06 ! 03 3 2.34947e+09 8e+06 1 8e+06 ! 04 4 2.36947e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1224 lines of history. ! ! Reading 3924 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ![@muppet J0800-3959_S_2002_01_31_yyk] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.04 float dynam dynam = 6.0 float amp_soltime1 amp_soltime1 = 10 float amp_soltime2 amp_soltime2 = 1 float phase_soltime1 phase_soltime1=10 float phase_soltime2 phase_soltime2=0.5 float phase_soltime phase_soltime=phase_soltime1 float ampcor_selflim ampcor_selflim=1.20 float thresh thresh = 0.10 float win_mult win_mult = 1.8 float time_av time_av = 30 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.500x0.500 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.28315 Jy uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.434 mas, bmaj=6.848 mas, bpa=0.2244 degrees ! Estimated noise=3870.03 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.07394 Jy ! Component: 100 - total flux cleaned = 0.112326 Jy ! Total flux subtracted in 100 components = 0.112326 Jy ! Clean residual min=-0.017221 max=0.017355 Jy/beam ! Clean residual mean=0.000333 rms=0.006068 Jy/beam ! Combined flux in latest and established models = 0.112326 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 37 model components to the UV plane model. ! The established model now contains 37 components and 0.112326 Jy ! ! Correcting IF 1. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 112 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 109 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.261629Jy sigma=0.001591 ! Fit after self-cal, rms=0.261343Jy sigma=0.001589 ! Inverting map and beam ! Estimated beam: bmin=2.434 mas, bmaj=6.848 mas, bpa=0.2244 degrees ! Estimated noise=3870.03 mJy/beam. print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.967 mas, bmaj=8.712 mas, bpa=-4.36 degrees ! Estimated noise=1865.04 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0452349 Jy ! Component: 100 - total flux cleaned = 0.0630116 Jy ! Component: 150 - total flux cleaned = 0.0681015 Jy ! Component: 200 - total flux cleaned = 0.0691604 Jy ! Total flux subtracted in 200 components = 0.0691604 Jy ! Clean residual min=-0.005374 max=0.005456 Jy/beam ! Clean residual mean=0.000519 rms=0.002288 Jy/beam ! Combined flux in latest and established models = 0.181486 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 81 model components to the UV plane model. ! The established model now contains 117 components and 0.181486 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.255828Jy sigma=0.001548 ! Fit after self-cal, rms=0.255724Jy sigma=0.001548 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.967 x 8.712 at -4.36 degrees (North through East) ! Clean map min=-0.011147 max=0.044918 Jy/beam if(peak(flux) < thresh*2) selflims ampcor_selflim end if ! Selfcal amplitude corrections will be limited to 0.833333 -> 1.2. ! Selfcal phase corrections will not be limited. gscale ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 1 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KP 1.00* ! LA 1.00* MK 1.00* NL 1.00* OV 1.00* ! PT 1.00* SC 1.00* ! ! ! Fit before self-cal, rms=0.255724Jy sigma=0.001548 ! Fit after self-cal, rms=0.255724Jy sigma=0.001548 selfcal false, false, phase_soltime ! Performing phase self-cal over 10 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.255724Jy sigma=0.001548 ! Fit after self-cal, rms=0.255724Jy sigma=0.001548 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.967 mas, bmaj=8.712 mas, bpa=-4.36 degrees ! Estimated noise=1865.04 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00319879 Jy ! Component: 100 - total flux cleaned = 0.00360128 Jy ! Component: 150 - total flux cleaned = 0.00571982 Jy ! Component: 200 - total flux cleaned = 0.00843218 Jy ! Total flux subtracted in 200 components = 0.00843218 Jy ! Clean residual min=-0.003200 max=0.003212 Jy/beam ! Clean residual mean=0.000396 rms=0.001317 Jy/beam ! Combined flux in latest and established models = 0.189918 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 57 model components to the UV plane model. ! The established model now contains 167 components and 0.189918 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.255057Jy sigma=0.001544 ! Fit after self-cal, rms=0.255029Jy sigma=0.001544 ! Inverting map print "************** FINISHED AMPLITUDE GSCALE SELF-CAL **************" ! ************** FINISHED AMPLITUDE GSCALE SELF-CAL ************** ! phase_soltime=phase_soltime2 selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.255029Jy sigma=0.001544 ! Fit after self-cal, rms=0.253952Jy sigma=0.001537 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00405609 Jy ! Component: 100 - total flux cleaned = 0.00674584 Jy ! Component: 150 - total flux cleaned = 0.00876685 Jy ! Component: 200 - total flux cleaned = 0.0114728 Jy ! Total flux subtracted in 200 components = 0.0114728 Jy ! Clean residual min=-0.003582 max=0.003581 Jy/beam ! Clean residual mean=0.000330 rms=0.001412 Jy/beam ! Combined flux in latest and established models = 0.201391 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 49 model components to the UV plane model. ! The established model now contains 211 components and 0.201391 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.253095Jy sigma=0.001532 ! Fit after self-cal, rms=0.252754Jy sigma=0.001530 ! Inverting map print "*** FINISHED NATURAL WEIGHTING CLEAN with shorter phase_soltime ***" ! *** FINISHED NATURAL WEIGHTING CLEAN with shorter phase_soltime *** ! dynam = dynam - 0.25 restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.967 x 8.712 at -4.36 degrees (North through East) ! Clean map min=-0.010049 max=0.045716 Jy/beam if(peak(flux) > thresh) selfcal true, true, amp_soltime1 selfcal false, false, phase_soltime flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true, amp_soltime2 selfcal false, false, phase_soltime flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) print "************** FINISHED AMPLITUDE SELF-CAL **************" end if uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. win_mult = win_mult * 1.4 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=9.257 mas, bmaj=32.94 mas, bpa=2.731 degrees ! Estimated noise=2426.48 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00288516 Jy ! Component: 100 - total flux cleaned = 0.00459889 Jy ! Component: 150 - total flux cleaned = 0.00605514 Jy ! Component: 200 - total flux cleaned = 0.00755254 Jy ! Total flux subtracted in 200 components = 0.00755254 Jy ! Clean residual min=-0.001461 max=0.001477 Jy/beam ! Clean residual mean=0.000444 rms=0.000701 Jy/beam ! Combined flux in latest and established models = 0.208944 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 48 model components to the UV plane model. ! The established model now contains 257 components and 0.208944 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.252592Jy sigma=0.001528 ! Fit after self-cal, rms=0.252547Jy sigma=0.001528 ! Inverting map uvtaper 0 ! No UV-taper is currently set. win_mult = win_mult / 1.4 print "************** FINISHED TAPERING SELF-CAL CLEAN **************" ! ************** FINISHED TAPERING SELF-CAL CLEAN ************** ! print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true,true,true ! clrmod: Cleared the established, tentative and continuum models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter, clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.434 mas, bmaj=6.848 mas, bpa=0.2244 degrees ! Estimated noise=3870.03 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0806657 Jy ! Component: 100 - total flux cleaned = 0.110993 Jy ! Component: 150 - total flux cleaned = 0.124536 Jy ! Component: 200 - total flux cleaned = 0.134817 Jy ! Total flux subtracted in 200 components = 0.134817 Jy ! Clean residual min=-0.010411 max=0.010423 Jy/beam ! Clean residual mean=0.000397 rms=0.004273 Jy/beam ! Combined flux in latest and established models = 0.134817 Jy uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 62 model components to the UV plane model. ! The established model now contains 62 components and 0.134817 Jy ! Inverting map and beam ! Estimated beam: bmin=2.967 mas, bmaj=8.712 mas, bpa=-4.36 degrees ! Estimated noise=1865.04 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0287516 Jy ! Component: 100 - total flux cleaned = 0.0373357 Jy ! Component: 150 - total flux cleaned = 0.0403041 Jy ! Component: 200 - total flux cleaned = 0.0434921 Jy ! Total flux subtracted in 200 components = 0.0434921 Jy ! Clean residual min=-0.005439 max=0.005463 Jy/beam ! Clean residual mean=0.000602 rms=0.002425 Jy/beam ! Combined flux in latest and established models = 0.178309 Jy ! Adding 72 model components to the UV plane model. ! The established model now contains 132 components and 0.178309 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=9.257 mas, bmaj=32.94 mas, bpa=2.731 degrees ! Estimated noise=2426.48 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00793148 Jy ! Component: 100 - total flux cleaned = 0.0127073 Jy ! Component: 150 - total flux cleaned = 0.016075 Jy ! Component: 200 - total flux cleaned = 0.0194986 Jy ! Total flux subtracted in 200 components = 0.0194986 Jy ! Clean residual min=-0.002830 max=0.002861 Jy/beam ! Clean residual mean=0.000798 rms=0.001474 Jy/beam ! Combined flux in latest and established models = 0.197808 Jy ! Adding 97 model components to the UV plane model. ! The established model now contains 222 components and 0.197808 Jy ! Inverting map uvtaper 0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.967 mas, bmaj=8.712 mas, bpa=-4.36 degrees ! Estimated noise=1865.04 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00419947 Jy ! Component: 100 - total flux cleaned = 0.00733671 Jy ! Component: 150 - total flux cleaned = 0.0106627 Jy ! Component: 200 - total flux cleaned = 0.0151596 Jy ! Total flux subtracted in 200 components = 0.0151596 Jy ! Clean residual min=-0.002816 max=0.002817 Jy/beam ! Clean residual mean=0.000313 rms=0.001143 Jy/beam ! Combined flux in latest and established models = 0.212968 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 50 model components to the UV plane model. ! The established model now contains 267 components and 0.212968 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.251762Jy sigma=0.001524 ! Fit after self-cal, rms=0.251643Jy sigma=0.001523 wmodel J0800-3959_S_2002_01_31_yyk\_map.mod ! Writing 267 model components to file: J0800-3959_S_2002_01_31_yyk_map.mod wobs J0800-3959_S_2002_01_31_yyk\_uvs.fits ! Writing UV FITS file: J0800-3959_S_2002_01_31_yyk_uvs.fits wwins J0800-3959_S_2002_01_31_yyk\_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: muppet] ! wmap "J0800-3959_S_2002_01_31_yyk\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.967 x 8.712 at -4.36 degrees (North through East) ! Clean map min=-0.0071452 max=0.040719 Jy/beam ! Writing clean map to FITS file: J0800-3959_S_2002_01_31_yyk_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0407194 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00127533 device "J0800-3959_S_2002_01_31_yyk\_map.eps/VPS" ! Attempting to open device: 'J0800-3959_S_2002_01_31_yyk_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -9.39601 9.39601 18.792 37.584 75.1681 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0038 print "peak=",int(peak_flux*1000)/1000 ! peak= 0.04 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.967 x 8.712 at -4.36 degrees (North through East) ! Clean map min=-0.0071452 max=0.040719 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0800-3959_S_2002_01_31_yyk\_map.gif/gif" ! Attempting to open device: 'J0800-3959_S_2002_01_31_yyk_map.gif/gif' mapplot cln quit ! Quitting program ! Log file J0800-3959_S_2002_01_31_yyk_uvs.log closed on Tue Jun 26 22:29:41 2007